(19)

(11)

EP 1 552 614 A2

(12)

(88) Date of publication A3: 21.05.2004 (43) Date of publication: 13.07.2005 Bulletin 2005/28 (21) Application number: 03740936.4 (22) Date of filing: 08.07.2003

(51) International Patent Classification (IPC)7: H03M 1/00 (86) International application number: PCT/IB2003/003027 (87) International publication number: WO 2004/010586 (29.01.2004 Gazette 2004/05)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 20.07.2002 GB 0216897 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventor: HUGHES, John B.,c/o Philips Intellectual Property Redhill,Surrey RH1 5HA (GB) (74) Representative: White, Andrew G. et al Philips Intellectual Property & Standards,Cross Oak Lane Redhill,Surrey RH1 5HA Redhill,Surrey RH1 5HA (GB)